VERTICAL INTEGRATION: The situation in which a firm participates in more than one successive stage of the production or distribution process. For example a soft drink company that also controls a sugar-producing firm is said to be vertically integrated because the soft drink company does not have to buy sugar from other firms to produce soft drinks. In some cases, two separate firms are vertically integrate because one firm produces a good or service and the other distributes it.

IADB: (Inter-American Development Bank) A regional multilateral development institution established 1959 to help accelerate economic and social development in Latin America and the Caribbean. The Bank provides loans and technical assistance using capital provided by its member countries, as well as resources obtained in world capital markets through bond issues. The Bank is owned by its 46 member countries: 26 borrowing member countries in Latin America and the Caribbean, and 20 nonborrowing countries, including the United States, Japan, Canada, 16 European countries, and Israel. The Inter-American Development Bank has its headquarters in Washington, DC.

A curve that graphically illustrates the relation between average revenue product and the quantity of the variable input, holding all other inputs fixed. This curve indicates the per unit revenue at each level of the variable input. The average revenue product curve is one of two related curves often used in the analysis of factor demand. The other, and more important, is marginal revenue product curve.

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